Installation Procedure

2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION Installation Procedure
    Fig 1: Sensing and Diagnostic Module
    GM1724853Courtesy of GENERAL MOTORS CORP.
  1. Install the SDM (3).
  2. CAUTION: Be careful when you handle a sensor. Do not strike or jolt a sensor. Before applying power to a sensor:
    • Remove any dirt, grease, etc. from the mounting surface.
    • Position the sensor horizontally on the mounting surface.
    • Point the arrow on the sensor toward the front of the vehicle.
    • Tighten all of the sensor fasteners and sensor bracket fasteners to the specified torque value.

    Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.